Yasuo Fujiwara

Person

Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Process for preparing methyl tertiary-butyl ether
- Patent number 4,404,409
- Issue date Sep 13, 1983
- Nippon Oil Co., Ltd.
- Yasuo Fujiwara
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for producing uroporphyrin III
- Patent number 4,370,415
- Issue date Jan 25, 1983
- Nippon Oil Company, Ltd.
- Ichiro Kojima
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for separating and recovering coproporphyrin and uroporphyr...
- Patent number 4,347,184
- Issue date Aug 31, 1982
- Nippon Oil Company, Ltd.
- Ichiro Kojima
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for producing coproporphyrin III
- Patent number 4,334,021
- Issue date Jun 8, 1982
- Nippon Oil Company, Ltd.
- Ichiro Kojima
- C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
Information Patent Grant
Method for producing methyl tert-butyl ether and fuel composition c...
- Patent number 4,256,465
- Issue date Mar 17, 1981
- Nippon Oil Co., Ltd.
- Tetsuya Takezono
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for fermentatively producing vitamin B.sub.12
- Patent number 4,210,720
- Issue date Jul 1, 1980
- Nippon Oil Company, Ltd.
- Ichiro Kojima
- C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
Information Patent Grant
Oil soluble fungicide obtained from the reaction of a quaternary am...
- Patent number 4,182,765
- Issue date Jan 8, 1980
- Nippon Oil Company Limited
- Osami Yagi
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for producing methyl tert-butyl ether and fuel composition c...
- Patent number 4,182,913
- Issue date Jan 8, 1980
- Nippon Oil Company Ltd.
- Tetsuya Takezono
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for fermentatively producing vitamin B.sub.12
- Patent number 4,119,492
- Issue date Oct 10, 1978
- Nippon Oil Company, Ltd.
- Ichiro Kojima
- C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...

Yasuo Fujiwara

Person

Patents Grantslast 30 patents

Process for preparing methyl tertiary-butyl ether

Process for producing uroporphyrin III

Process for separating and recovering coproporphyrin and uroporphyr...

Process for producing coproporphyrin III

Method for producing methyl tert-butyl ether and fuel composition c...

Process for fermentatively producing vitamin B.sub.12

Oil soluble fungicide obtained from the reaction of a quaternary am...

Method for producing methyl tert-butyl ether and fuel composition c...

Process for fermentatively producing vitamin B.sub.12